Check for duplicate echomails, validate system password

app/Classes/File/Receive.php

@@ -120,6 +120,19 @@ final class Receive extends Item
 						break;
 					}
 
+					// Check the messages are from the uplink
+					if ($this->ao->system->addresses->search(function($item) use ($po) { return $item->id == $po->fftn_o->id; }) === FALSE) {
+						Log::error(sprintf('%s: ! Packet [%s] is not from this link? [%d]',self::LOGKEY,$this->fftn_o->ftn,$this->ao->system_id));
+						break;
+					}
+
+					// Check the packet password
+					if ($this->ao->session('pktpass') !== $po->password) {
+						Log::error(sprintf('%s: ! Packet from [%s] with password [%s] is invalid (%s)',self::LOGKEY,$this->ao->ftn,$po->password));
+						// @todo Generate message to system advising invalid password - that message should be sent without a packet password!
+						break;
+					}
+
 					foreach ($po->messages as $msg) {
 						Log::info(sprintf('%s: - Mail from [%s] to [%s]',self::LOGKEY,$msg->fftn,$msg->tftn));
 
@@ -151,6 +164,7 @@ final class Receive extends Item
 	/**
 	 * Open the file descriptor to receive a file
 	 *
+	 * @param Address $ao
 	 * @param bool $check
 	 * @return bool
 	 * @throws Exception